5. This works in Toad but not SQL*Plus, i.e. there must be some significant difference in how the
different clients deal with their resultsets:

SQL> select *
2 from trade
3 where rowid IN ( chartorowid('AAAYBNAAYAAEK/bAAR'),
5 chartorowid('AAAYBNAAYAAEK/bAAT'));
ERROR:
ORA-01858: a non-numeric character was found where a numeric was expected
no rows selected
SQL>